Genetics Quiz Questions & Answers

14 Questions | By Teresacobble | Last updated: Dec 7, 2018

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This quiz will be used as a pre-test and a post-test to measure students gain scores on the topic of genetics. Do your best, if you don't know the answer it is best to guess rather than leave a blank.

Questions and Answers

1.

Find the answer that best fits: Asexual organisms:

Discuss
- A.
  
  Have the ability to copy themselves
- B.
  
  Are very complex and higher order animals
- C.
  
  Lay eggs
- D.
  
  Are only plants
2.

In sexual reproduction, organism have either:
- A.
  
  A male cell or female cell
- B.
  
  A nucleus or a nucleolus
- C.
  
  Chromosome or alleles
- D.
  
  The ability to copy themselves
3.

Homozygous traits are revealed in genotypes that are:
- A.
  
  Different
- B.
  
  Same
- C.
  
  Traits that are recessive
- D.
  
  Traits that are dominant
4.

Heterozygous traits are revealed in genotypes:
- A.
  
  AA
- B.
  
  Aa
- C.
  
  AA
- D.
  
  Aa
5.

You are Gregor Mendel, interpret the following Punnett square to decipher sweet pea information.
- A.
  
  25% of the sweet peas are homozygous
- B.
  
  There is a 1 in 4 chance for the sweet pea to be tall
- C.
  
  50% of the sweet peas will have the same genotype
- D.
  
  The next generation of Tt sweet peas combining with Tt will all be tall
6.

Mrs. Cobble has two guinea pigs, one black male and one white female. They have babies, 2 are white, and 5 are black. Why?

Discuss
- A.
  
  Male guinea pigs are dominant
- B.
  
  Parents traits do not matter, nature decides.
- C.
  
  Black guinea pigs have more traits than white guinea pigs.
- D.
  
  Guinea pigs get have of their traits from mom and half from dad. Some traits are recessive some are dominant
7.

All of the following are phenotypes except:
- A.
  
  Eye color
- B.
  
  Attached Ear lobes
- C.
  
  Personality
- D.
  
  Height
8.

Mr. Potato Head has recessive homozygous traits, rr, and Mrs. Pototo Head have dominant heterozygous Rr lips. What is the probability of the little spuds having their dad lips?

Discuss
- A.
  
  1 out of 4
- B.
  
  50%
- C.
  
  25%
- D.
  
  3 out of 4
9.

Kids resemble parents because:
- A.
  
  They live in the same house.
- B.
  
  They speak the same language
- C.
  
  They have the same blood
- D.
  
  They have similar DNA
10.

Complete the analogy. Brown eyes are dominant.
- A.
  
  Recessive:Dimples
- B.
  
  Recessive: blue eyes
- C.
  
  Recessive: being funny
- D.
  
  Recessive: Number of bones in your body
11.

From the picture above of parents, infer what charateristics might their children have?

Discuss
- A.
  
  They will look exactly like thier parents
- B.
  
  They will have long hair
- C.
  
  The children will have at least 75% of having brown eyes
- D.
  
  They will have dimples
12.

If one parent has widow’s peaks and the other has a widows peak what would be expect for their children?

Discuss
- A.
  
  The children will all have a widow's peak
- B.
  
  None of the children will have a widow's peak
- C.
  
  Half of the children will have a widow's peak
- D.
  
  75% of the children will hav a widow's peak
13.

What information would you need to have in order to analyze whether or not the Obama children could have blue or green eyes?

Discuss
- A.
  
  Their blood type
- B.
  
  What the grandparents genotypes and phenotypes were.
- C.
  
  They would not be able to have blue eyes
- D.
  
  All of their eyes will be brown
14.

If your grandparents all had dimples and your parents all have dimples which statement is true?

Discuss
- A.
  
  None of the children will have dimples.
- B.
  
  Dimples are not passed down through heredity.
- C.
  
  All your brothers and sisters will have dimples.
- D.
  
  Nature causes dimples you cannot predict when someone will have them.

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